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migration rate
迁移率:指人口或动物在一定时间内从一个地区迁移到另一个地区的比率。
常用释义
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基本释义
  • 迁移率:指人口或动物在一定时间内从一个地区迁移到另一个地区的比率。
例句
  • 1·Between 2000 and 2001, in contrast, the migration rate fell from over 15% to under 14%.
    与此形成鲜明对比的是2000年到2001年。人口流动率从15%以上降至不到14%。
  • 2·The Sr2+ migration rate was the lowest in zeolite column, higher in 4A zeolite column and the highest in attapulgite column.
    在沸石柱中的迁移速率最小,其次是4A沸石柱,再其次是凹凸棒石柱。
  • 3·In the same structural model, hydrocarbon migration rate within interim opening fractures is faster than that of permanent ones.
    在相同地层结构模型中,间歇性开启断裂中的油气运移速度较永久性开启断裂快;
  • 4·At the same time, the structure of this invention can improve the electric load current carrier migration rate in the semiconductor component.
    同时,本发明的结构能增进在半导体元件中的电荷载流子迁移率。
  • 5·Hall coefficient depends on electronic concentration and the relative values of empty hole concentrations and their migration rate in the semiconductor.
    而霍耳系数取决于半导体材料中电子浓度和空穴浓度的相对大小及其迁移率之比。
  • 6·First, in the paper the migration rate is amended on the basis of the statistical distribution and the better transient response models are put forward.
    从统计分布规律出发,讨论了简并和非简并情况下载流子等的异同,提出简并条件下需采用费米分布来修正迁移率等。
  • 7·An equation of steady migration rate is derived and confirmed, and a formula for the calculation of effective displacement ion concentration is suggested.
    推导并验证了稳定区段的移速公式;提出了“有效”排代离子浓度的概念及其计算式。
  • 8·The migration rate of new grains continuously decreased, many of them even stopped growing at a certain size and remained unchanged during long annealing time.
    新晶粒的界面迁移速率在迁移过程中不断下降,以至最后几乎停止迁移。
  • 9·It is concluded that the sand waves are formed mainly by the actions of tidal current, and the migration rate of sand wave in the study area is several meters a year.
    认为研究区沙波主要系在潮流作用下形成。研究区沙波迁移速率为每年数米。
  • 10·Take no account of transversal heterogeneity, thermal state of sintering process is described as the change of the thickness of each zone in bed layer and migration rate.
    在不考虑横向烧结非均匀性的情况下,将烧结过程热状态描述为料层各带厚度的分布和迁移速度的变化。
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